/*é€šç”¨æ ·å¼*/
* {
  padding: 0;
  margin: 0;
  font-weight: normal;
}
b,
strong {
  font-weight: bold;
}
ul,
li,
ol {
  list-style: none;
  height: auto;
}
a {
  text-decoration: none;
  color: inherit;
}
.auto {
  margin-left: auto;
  margin-right: auto;
}
.f0 {
  font-size: 0;
}
input {
  outline-style: none;
}
h1,
h2,
h3,
h4,
h5,
h6,
p {
  font-size: inherit;
}
small {
  font-size: 75%;
}
.pull-left {
  float: left;
}
.pull-right {
  float: right;
}
.cell-right {
  margin-right: 0.3rem;
}
.cell-left {
  margin-left: 0.3rem;
}
.right {
  text-align: right;
}
input::-webkit-outer-spin-button,
input::-webkit-inner-spin-button {
  -webkit-appearance: none;
}
input[type="number"] {
  -moz-appearance: textfield;
}
.btn {
  display: inline-block;
  padding: 6px 12px;
  font-size: 14px;
  line-height: 1.42857143;
  text-align: center;
  white-space: nowrap;
  vertical-align: middle;
  cursor: pointer;
  -webkit-user-select: none;
  border: 1px solid transparent;
  border-radius: 4px;
}
.clearfix:after {
  content: '';
  display: block;
  clear: both;
  height: 0;
  visibility: hidden;
}
.flex {
  display: -webkit-box;
  display: -webkit-flex;
  display: flex;
}
.flex-wrap {          
    display: flex;
    flex-wrap: wrap
}
.cell-main {
  -moz-box-flex: 1;
  -webkit-box-flex: 1;
  box-flex: 1;
  flex: 1;
  width: 100%;
}
.middle {
  -webkit-box-align: center;
  -moz-box-align: center;
  -ms-flex-align: center;
  -webkit-align-items: center;
  align-items: center;
}
img {
  width: 100%;
  height: 100%;
}
input,
textarea {
  outline: none;
  border: none;
}
textarea::-webkit-input-placeholder {
  color: #fff;
}
.constr{
  width: 1200px;
  margin: 0 auto;
}
.over {                                                                
display: -webkit-box;    -webkit-box-orient: vertical;
-webkit-line-clamp: 2;    overflow: hidden;}
.overhide{overflow: hidden;text-overflow:ellipsis;white-space: nowrap; } 
@media (min-width: 1024px) {
  html {
    font-size: 18px;
  }
  .moblime{
    display: none;
  }
}
@media (min-width: 1100px) {
  html {
    font-size: 20px;
  }
}
@media (min-width: 1280px) {
  html {
    font-size: 22px;
  }
}
@media (min-width: 1366px) {
  html {
    font-size: 24px;
  }
}
@media (min-width: 1440px) {
  html {
    font-size: 25px ;
  }
}
@media (min-width: 1680px) {
  html {
    font-size: 28px;
  }
  .service ul {
    width: 6.8rem;}
}
@media (min-width: 1920px) {
  html {
    font-size: 33px;
  }
}
body,
header,
.swiper-container,
footer,
.com,
.web,
.advant {
  max-width: 1920px;
  min-width: 1200px;
}
header {
  width: 100%;
  line-height: 2.7rem;
  box-sizing: border-box;
  width: 1200px;
  margin: auto;
  background-color: #fff;
  overflow: hidden;
}
header .logo {
  display: inline-block;
  width: 7.3rem;
  height: 2.0rem;
  vertical-align: middle;
}
header nav {
  display: inline-block;
  margin-left: 15%;
  color: #626262;
  font-size: 0;
  width: 50%;
}
header nav .link {
  font-size: 14px;
  padding: 0.8rem 4%;
  line-height: 2.7rem;
}
header nav a:hover,
header .active {
  color: #0097ff;
  border-bottom: 2px solid #0097ff;
}
header .tel-box {
  float: right;
  padding: 0.8rem 0;
}
header .tel-box .tel {
  width: 1rem;
  height: 0.85rem;
  float: left;
  margin-top: 6px;
}
header .tel-box .detail {
  line-height: normal;
  margin-left: 1.2rem;
  color: #6c6c6c;
  font-size: 12px;
}
header .tel-box p {
  letter-spacing: 2px;
}
 .swiper-container{
  width: 100%;
  height: 18.2rem;
  position: relative;
}
.swiper-slide .box {
  position: absolute;
  top: 40%;
  right: 18.5%;
  height: auto;
  width: auto;
  text-align: right;
}
.swiper-slide .box .name {
  font-family: 'å¾®è½¯é›…é»‘';
  display: inline-block;
  font-size: 45px;
  color: #fff;
}
.swiper-slide .box .text {
  font-family: 'å¾®è½¯é›…é»‘';
  font-size: 45px;
  font-weight: bold;
  color: #feac2c;
  margin-left: 1rem;
}
.swiper-slide .box .eng {
  font-size: 28px;
  line-height: 1.2;
  color: #fff;
  text-transform: uppercase;
}
.swiper-slide .box .detail {
  font-size: 24px;
  color: #fff;
}
main {
  width: 1200px;
  margin: 0 auto;
}
.can {
  width: 100%;
  height: auto;
  text-align: center;
  padding-bottom: 0.61rem;
}
.backco{
  background-color: #fbfbfb;
}
.can .title {
  font-size: 30px;
  padding: 1.5rem 0 0.5rem;
}
.can-pic{
  overflow: hidden;
}
.can .detail {
  font-size: 18px;
  color: #535353;
  margin-bottom: 0.8rem;
}
.can .pic {
  width: 6rem;
  height: 5.4rem;
}
.can h1 {
  font-size: 28px;
  margin: 0.61rem 0 0.45rem;
}
.can p {
  font-size: 14px;
  line-height: 2;
  color: #6d6d6d;
  width: 65%;
  margin: 0 auto;
}
.can .pic-left {
  float: left;
  height: 10.91rem;
  width: 45%;
}
.can .main {
  margin-left: 50%;
}
.can .sys {
  width: 100%;
  height: auto;
}
.can .sys .ico {
  float: left;
  width: 2.42rem;
  height: 2.42rem;
}
.can .sys .sys-main {
  margin-left: 3rem;
  text-align: left;
}
.can .sys .sys-name {
  font-size: 18px;
}
.can .sys .sys-detail {
  font-size: 14px;
  width: 70%;
}
.can .sys:nth-child(2) {
  margin: 2.12rem 0 0;
}
.can .arrow {
  font-size: 16px;
  color: #fff;
  display: inline-block;
  width: 0.91rem;
  line-height: 0.91rem;
  border-radius: 50%;
  text-align: center;
  margin-top: 10px;
    background-color: #bbb;
}
.can .arrow:hover{
  background-color: #0097ff
}
.can .arrow + .arrow {
  margin-left: 2rem;
}
.can .group {
  float: left;
  height: 17rem;
}
.can .group .pic1 {
  display: block;
  width: 100%;
  height: 8.5rem;
}
.adv {
  width: 100%;
  height: auto;
  padding-bottom: 1rem;
  text-align: center;
}
.adv .title {
  font-size: 36px;
  padding: 0.61rem 0;
}
.adv .num-box {
  flex:1;
  height: 9.5rem;
  text-align: center;
  color: #fff;
}
.adv .num-box:hover {
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
  transform: translate3d(0, -2px, 0);
}
.adv .orange {
  background-color: #eac02e;
}
.adv .pink {
  background-color: #ff7171;
}
.adv .blue {
  background-color: #56a5c1;
}
.adv .sky {
  background-color: #1fd8e3;
}
.adv .num-box + .num-box {
  margin-left: 4%;
}
.adv .num {
  width: 3.64rem;
  height: auto;
  margin: 10px auto 0;
}
.adv .k {
  width: 6.97rem;
}
.adv .text {
  font-size: 30px;
  font-weight: bold;
  margin: 0.3rem auto;
}
.adv .detail {
  font-size: 13px;
}
.new {
  width: 100%;
  height: auto;
  padding-bottom: 1rem;
}
.new .alerts,
.new .dynamics {
  width: 46%;
  float: left;
}
.new .alerts + .dynamics {
  margin-left: 8%;
}
.new .title {
  display: inline-block;
  font-size: 16px;
  padding-left: 5px;
  border-left: 3px solid #0097ff;
}
.new .more {
  float: right;
  font-size: 14px;
  color: #808080;
}
.new ul {
  width: 100%;
  height: auto;
  box-sizing: border-box;
  padding: 0 0.4rem;
  margin: 0.45rem 0;
}
.new .pic-left {
  float: left;
  width: 5.45rem;
  height: 4.5rem;
}
.new .main {
  margin-left: 6rem;
}
.new .name {
  font-size: 15px;
  white-space: nowrap;
}
.new p {
  margin-top: 0.36rem;
  text-indent: 20px;
  font-size: 13px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.new h5 {
  font-size: 14px;
}
.new span,
.new .time {
  display: inline-block;
  font-size: 12px;
  color: #b7b7b7;
  margin-left: 3px;
}
.new .time {
  font-size: 14px;
}
.new .text {
  margin: 0.76rem 0;
  color: #4b4b4b;
}
footer {
  box-sizing: border-box;
  padding-top: 1.4rem;
  width: 100%;
  height: auto;
  background: url('../images/footer.png');
  background-size: 100% 100%;
  color: #fff;
   overflow: hidden;
}
footer .container {
  width: 1200px;
  margin: 0 auto;
}
footer .column,
footer .col {
  width: 30%;
  color: #fff;
  float: left;
}
footer .col {
  width: 18%;
  margin: 0 11%;
}
footer .title {
  font-size: 16px;
  margin-bottom: 5px;
}
footer .progress {
  width: 100%;
  height: 3px;
  background-color: rgba(255, 255, 255, 0.3);
  position: relative;
}
footer .bar {
  position: absolute;
  width: 20%;
  height: 3px;
  background-color: #fff;
}
footer .detail {
  margin: 0.55rem 0;
  line-height: 1.06rem;
}
footer .ico {
  width: 1.06rem;
  line-height: 1.06rem;
  border-radius: 2px;
  background-color: rgba(72, 72, 72, 0.4);
  font-size: 18px;
  color: #0097ff;
  margin-right: 10px;
  text-align: center;
}
footer p {
  font-size: 13px;
  line-height: 1.06rem;
  white-space: nowrap;
}
footer .mar10 {
  margin: 0.15rem 0;
}
footer .grid {
  width: 100%;
  font-size: 14px;
  height: 1.1rem;
  line-height: 1.1rem;
  border-radius: 0.61rem;
  background-color: rgba(100, 100, 100, 0.4);
  margin-bottom: 10px;
}
footer .name {
  line-height: normal;
  display: inline-block;
  padding: 0 0.3rem 0 0.61rem;
  margin: 0.15rem 0;
  border-right: 1px solid #999;
}
footer .inp {
  display: inline-block;
  width: 50%;
  font-size: 14px;
  color: #fff;
  background: transparent;
}
footer .text {
  box-sizing: border-box;
  padding: 0.3rem 0 0 6%;
  width: 100%;
  height: 3.58rem;
  border-radius: 8px;
  color: #fff;
  background-color: rgba(100, 100, 100, 0.4);
}
footer .end {
  height: auto;
  width: 100%;
}
footer .icon {
  display: inline-block;
  width: 0.8rem;
  height: 0.8rem;
  vertical-align: middle;
  margin-right: 0.3rem;
}
footer .btn {
  float: right;
  width: 3.03rem;
  border-radius: 0.61rem;
  background-color: #0097ff;
  color: #fff;
  font-size: 14px;
}
.com {
  width: 100%;
  line-height: 1.52rem;
  background-color: #060405;
  box-sizing: border-box;
  padding: 0 18.5%;
}
.com .company {
  display: inline-block;
  font-size: 12px;
  color: #fff;
}
.com .ico {
  width: 1.52rem;
  height: 0.36rem;
  vertical-align: middle;
  margin-left: 0.3rem;
}
.contact {
  width: 100%;
  height: 12.03rem;
  background: url('../images/contact.jpg');
  background-size: 100% 100%;
}
.mail-box {
  width: 80%;
  height: auto;
  margin: 0 auto;
  text-align: center;
  padding-bottom: 1rem;
}
.mail-box .hi {
  padding-top: 2.27rem;
  font-size: 30px;
  color: #0097ff;
}
.mail-box .team {
  margin-top: 0.27rem;
  font-size: 20px;
  color: #3b3e43;
}
.mail-box .tell {
  margin-top: 0.15rem;
  font-size: 14px;
  color: #999999;
  padding-bottom: 1.97rem;
}
.mail-box .message,
.mail-box .inform {
  text-align: left;
  width: 45%;
  overflow: hidden;
}
.mail-box .message + .inform {
  margin-left: 10%;
}
.mail-box .item-box {
  width: 100%;
  line-height: 1.36rem;
  border-bottom: 1px solid #d7d7d7;
  font-size: 14px;
  color: #999999;
  margin-bottom: 0.27rem;
}
.mail-box .textarea {
  box-sizing: border-box;
  padding-top: 0.8rem;
  width: 100%;
  height: 9rem;
  border-bottom: 1px solid #d7d7d7;
}
.mail-box .textarea::-webkit-input-placeholder {
  color: #999999;
}
.mail-box .send {
  margin-top: 0.61rem;
  line-height: 1.6rem;
  width: 5.21rem;
  text-align: center;
  background-color: #0097ff;
  color: #fff;
  font-size: 16px;
}
.mail-box .send-text {
  padding: 0.3rem 0.76rem;
  border-right: 1px solid;
  margin-right: 0.4rem;
}
.mail-box .title {
  font-size: 18px;
}
.toggle{display: none;}
.mail-box .line {
  height: 1px;
  background-color: #d7d7d7;
}
.mail-box .area {
  font-size: 14px;
  line-height: 2;
}
.mail-box .letter {
  letter-spacing: 2px;
}
#map {
  width: 100%;
  height: 19.85rem;
  font-size: 14px;
  margin-bottom: 1rem;
}
.coop {
  width: 100%;
  height: 20.39rem;
  text-align: center;
}
.coop .coop-box {
  padding-top: 3.03rem;
  display: block;
  width: 100%;
  position: absolute;
  top: 0;
  color: #fff;
}
.coop .pic {
  width: 5.45rem;
  height: 5.45rem;
  margin-bottom: 0.61rem;
}
.coop h1 {
  font-size: 30px;
  line-height: 1.5;
}
.coop h2 {
  font-size: 16px;
}
.coop .togo {
  margin-top: 0.76rem;
  width: 11.64rem;
  height: 1.82rem;
}
.service {
  width: 100%;
  height: 17.27rem;
  text-align: center;
  background: url('../images/service.jpg');
  background-size: 100% 100%;
}
.service .title {
  padding-top: 1.52rem;
  font-size: 36px;
}
.service .eng {
  font-size: 18px;
  line-height: 1.5;
}
.service .line {
  width: 6%;
  height: 0.09rem;
  background-color: #000;
  margin: 0.3rem auto 0.76rem;
}
.service ul {
  width: 9.2rem;
  margin: 0 auto;
  text-align: left;
}
.service .tip {
  font-size: 14px;
  list-style: square inside url('../images/dian.png');
  margin: 0.1rem 0;
  color: #333;
  white-space: nowrap;
}
.advant {
  width: 100%;
  height: 16.36rem;
  background: url('../images/adv.jpg');
  background-size: 100% 100%;
  text-align: center;
  color: #fff;
}
.advant .title {
  padding-top: 2.42rem;
  font-size: 36px;
}
.advant .line {
  width: 6%;
  height: 0.09rem;
  background-color: #fff;
  margin-top: 1.06rem;
}
.advant .contect {
  margin: 5.6rem auto 0;
  width: 50%;
  overflow: hidden;
  position: relative;
}
.advant .pos1,
.advant .pos2,
.advant .pos3 {
  float: left;
  width: 8rem;
  font-size: 14px;
  text-align: center;
  line-height: 1.5;
  white-space: nowrap;
}
.advant .pos2 {
  position: absolute;
  left: 50%;
  margin-left: -4rem;
}
.advant .pos3 {
  float: right;
}
.web {
  width: 100%;
  height: 19.09rem;
  background-color: #f7f7f7;
}
.web .content {
  width: 1200px;
  margin: 0 auto;
  padding-top: 4rem;
  text-align: center;
  color: #333;
}
.web .title {
  font-size: 36px;
}
.web .text {
  margin-left: 0.4rem;
  font-size: 30px;
}
.web .line {
  margin-top: 1rem ;
  width: 8%;
  height: 0.09rem;
  background-color: #333333;
}
.web .pic-left {
  float: left;
  width: 24rem;
  height: 12rem;
  margin-left: 5%;
}
.web .main {
  margin-left: 29rem;
  padding-top: 2.42rem;
  text-align: left;
}
.web .bulid {
  font-size: 24px;
  color: #333;
  margin-bottom: 0.61rem;
}
.web .bulid:before {
  content: '';
  position: absolute;
  margin-top: 0.5rem;
  margin-left: -1.5rem;
  width: 1.03rem;
  height: 0.18rem;
  border-bottom-right-radius: 0.4rem;
  background-color: #0096fe;
}
.web p {
  font-size: 16px;
}
.transact {
  width: 100%;
  height: 18.18rem;
  background: url('../images/page.jpg');
  background-size: 100% 100%;
  color: #fff;
  text-align: center;
}
.transact .title {
  padding-top: 2.42rem;
  font-size: 36px;
  padding-bottom: 0.3rem;
}
.transact .blue {
  color: #0097ff;
}
.transact .eng {
  font-size: 12px;
  line-height: 1.5;
}
.transact .line {
  width: 6%;
  height: 0.09rem;
  margin: 0.45rem  auto 0;
  background-color: #fff;
}
.transact .side {
  margin-top: 2rem;
  margin-left: 65%;
  text-align: left;
  font-size: 24px;
}
.transact .order {
  margin-bottom: 0.3rem;
}
.transact .barr:before {
  content: '';
  position: absolute;
  margin-top: 0.5rem;
  margin-left: -1.5rem;
  width: 1.03rem;
  height: 0.18rem;
  border-bottom-right-radius: 0.4rem;
  background-color: #0096fe;
}
.pc {
  width: 100%;
  height: 18.18rem;
  background-color: #eeeeee;
}
.pc .container {
  width: 1200px;
  padding-top: 3.64rem;
  overflow: hidden;
  color: #333;
}
.pc .column,
.pc .col {
  display: inline-block;
  float: left;
}
.pc .column {
  width: 26%;
}
.pc .col {
  width: 44%;
  margin: 0 2%;
}
.pc .item-box {
  width: 100%;
  height: 2.52rem;
  margin-bottom: 1.2rem;
}
.pc .ico-box {
  width: 2.42rem;
  height: 2.42rem;
  line-height: 2.42rem;
  border-radius: 50%;
  background-color: #333333;
  text-align: center;
}
.pc .ico {
  width: 2.42rem;
  height: 2.42rem;
}
.pc .ml {
  margin-left: 2.8rem;
}
.pc .mr {
  margin-right: 2.8rem;
}
.pc .name {
  font-size: 24px;
}
.pc .detail {
  font-size: 14px;
}
.pc .pic {
  display: block;
  width: 100%;
  height: 9.1rem;
}
.yzd {
  box-sizing: border-box;
  padding: 1.2rem 0;
  width: 100%;
  height: 6.0rem;
}
.yzd .hello {
  font-size: 32px;
  line-height: 1.3;
}
.yzd p {
  font-size: 22px;
  line-height: 2;
  color: #606060;
}
.demand {
  width: 100%;
  height: 20rem;
  background: url('../images/demand.jpg');
  background-size: 100% 100%;
}
.wedo {
  width: 100%;
  height: auto;
  padding-bottom: 2rem;
  text-align: center;
}
.wedo .title {
  display: inline-block;
  padding: 1.2rem 0 1rem;
  font-size: 34px;
  white-space: nowrap;
}
.wedo .title:after,
.wedo .title:before {
  content: '';
  display: inline-block;
  width: 3.03rem;
  height: 0.03rem;
  background-color: #cacaca;
  position: absolute;
  margin-top: 1rem;
}
.wedo .title:after {
  margin-left: 1rem;
}
.wedo .title:before {
  margin-left: -4rem;
}
.wedo .column {
  box-sizing: border-box;
  width: 22%;
  height: auto;
  border: 4px double #d4d4d4;
  padding: 0 0.45rem 1rem;
  overflow: hidden;
}
.wedo .column + .column {
  margin-left: 3%;
}
.wedo .ico {
  padding-top: 1.5rem;
  width: 2.3rem;
  height: 2.3rem;
}
.wedo h1 {
  font-size: 24px;
  line-height: 1.5;
  margin-bottom: 0.7rem;
}
.wedo p {
  font-size: 14px;
  line-height: 1.3;
  color: #7a7a7a;
}
.develop {
  width: 100%;
  height: 14.85rem;
  background: url('../images/develop.jpg');
  background-size: 100% 100%;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.develop .title {
  display: inline-block;
  padding: 1.2rem 0 1rem;
  font-size: 34px;
  white-space: nowrap;
}
.develop .title:after,
.develop .title:before {
  content: '';
  display: inline-block;
  width: 3.03rem;
  height: 0.03rem;
  background-color: #fff;
  position: absolute;
  margin-top: 1rem;
}
.develop .title:after {
  margin-left: 1rem;
}
.develop .title:before {
  margin-left: -4rem;
}
.develop p {
  font-size: 17px;
  line-height: 1.5;
  width: 60%;
  margin: 0 auto;
}
.develop .container {
  width: 1200px;
  margin: 0.91rem auto 0;
}
.develop .column {
  float: left;
  width: 13%;
  height: auto;
}
.develop .ico-box {
  width: 3.3rem;
  height: 3.3rem;
  color: #1a4666;
  border-radius: 50%;
  border: 1px solid #1a4666;
  margin: 0 auto;
  position: relative;
}
.develop .ico {
  width: 1.33rem;
  height: 1.82rem;
  position: absolute;
  top: 50%;
  left: 50%;
  margin: -0.91rem -0.67rem;
}
.develop .active {
  background-color: #36adff;
  color: #fff;
}
.develop h1 {
  margin-top: 1rem;
  font-size: 18px;
  color: #fff;
}
.develop .col {
  float: left;
  width: 14%;
}
.develop .line {
  margin-top: 1.67rem;
  width: 100%;
  height: 0.03rem;
  background-color: #777777;
}
.ouritem {
  width: 1200px;
  margin: 0 auto;
  height: auto;
  padding-bottom: 1rem;
  text-align: center;
}
.ouritem .title {
  display: inline-block;
  padding: 1.2rem 0 1rem;
  font-size: 34px;
  white-space: nowrap;
}
.ouritem .title:after,
.ouritem .title:before {
  content: '';
  display: inline-block;
  width: 3.03rem;
  height: 0.03rem;
  background-color: #cbcbcb;
  position: absolute;
  margin-top: 1rem;
}
.ouritem .title:after {
  margin-left: 1rem;
}
.ouritem .title:before {
  margin-left: -4rem;
}
.ouritem .col {
  width: 32%;
  height: 16rem;
  margin-left: 2%;
}
.ouritem .col:nth-child(3n+1) {
  margin-left: 0;
}
.ouritem .pic {
  width: 100%;
  height: 9.5rem;
}
.ouritem .name {
  font-size: 18px;
  margin: 0.3rem 0 0.2rem;
  color: #606060;
  font-weight: bold;
}
.ouritem .type {
  font-size: 14px;
  color: #1abb9c;
  margin: 0.2rem 0 0.3rem;
}
.ouritem .detail {
  font-size: 15px;
  line-height: 1.5;
  width: 90%;
  margin: 0 auto;
  letter-spacing: -0.04rem;
  color: #7a7a7a;
}
.swiper-pagination-bullet{
  width: 0.61rem;
  height: 0.61rem;
  border-radius: 0;
}
.ercode{
  display: none;
  position: absolute;
  width: 2.42rem;
  height: 2.42rem;
  margin-top: -2.5rem;
  margin-left: -0.8rem;
}
.code-box:hover .ercode{
display: block;
}
@media (min-width: 1024px) {
  .demand{
    height: 22rem;
  }
  .pc .pic{height: 11rem;width: 90%;    margin: 0 auto;}
}

@media (min-width: 1680px) {
  .service ul {
    width: 6.8rem;}
  .mail-box .textarea{
    height: 6.5rem;
  }
  .wedo .title:after, .wedo .title:before{
    margin-top: 0.7rem;
  }
  .demand{
    height: 18rem;
  }
  .pc .pic{    height: 9.1rem;width: 100%;   }
}

.expand{
  display: none;
  position: fixed;
  z-index: 2;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.3)
}

.aside{
  position: fixed;
  top: 0;
  left:-40%;
  z-index: 2;
  height: 100%;
  width: 40%;
  background-color: #f7f7f7;
  text-align: center;
}
.aside .logo{
  margin-top: 1rem;
  width: 7rem;
  height: 2rem;
}
.aside a{
display: block;
line-height: 3; 
font-size: 16px;
letter-spacing: 0.05rem;
}